Fabrice Di Meglio | 4b60c30 | 2011-08-17 16:56:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Doug Felt | cb379120 | 2011-07-07 11:57:48 -0700 | [diff] [blame] | 16 | |
| 17 | package android.text; |
| 18 | |
| 19 | /** |
Fabrice Di Meglio | 57a8574 | 2013-01-31 13:29:36 -0800 | [diff] [blame] | 20 | * Interface for objects that use a heuristic for guessing at the paragraph direction by examining text. |
Doug Felt | cb379120 | 2011-07-07 11:57:48 -0700 | [diff] [blame] | 21 | */ |
| 22 | public interface TextDirectionHeuristic { |
Fabrice Di Meglio | 57a8574 | 2013-01-31 13:29:36 -0800 | [diff] [blame] | 23 | /** |
| 24 | * Guess if a chars array is in the RTL direction or not. |
| 25 | * |
| 26 | * @param array the char array. |
| 27 | * @param start start index, inclusive. |
| 28 | * @param count the length to check, must not be negative and not greater than |
| 29 | * {@code array.length - start}. |
| 30 | * @return true if all chars in the range are to be considered in a RTL direction, |
| 31 | * false otherwise. |
| 32 | */ |
| 33 | boolean isRtl(char[] array, int start, int count); |
| 34 | |
| 35 | /** |
| 36 | * Guess if a {@code CharSequence} is in the RTL direction or not. |
| 37 | * |
| 38 | * @param cs the CharSequence. |
| 39 | * @param start start index, inclusive. |
| 40 | * @param count the length to check, must not be negative and not greater than |
| 41 | * {@code CharSequence.length() - start}. |
| 42 | * @return true if all chars in the range are to be considered in a RTL direction, |
| 43 | * false otherwise. |
| 44 | */ |
| 45 | boolean isRtl(CharSequence cs, int start, int count); |
Doug Felt | cb379120 | 2011-07-07 11:57:48 -0700 | [diff] [blame] | 46 | } |